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Arbitrum vs Optimism (2026)
Two OP-stack-adjacent L2 leaders compared on governance, Superchain vision, and DeFi liquidity.
Updated June 2026
| Criteria | Arbitrum | Optimism |
|---|---|---|
| TVL rank | #1 L2 | Top 3 L2 |
| Governance | ARB DAO | OP Collective |
| Ecosystem model | Orbit chains | Superchain |
| Public goods | Arbitrum DAO grants | RetroPGF |
| Stack licence | Arbitrum Nitro | OP Stack (open) |
Verdict
Arbitrum leads on TVL today; Optimism leads on Superchain ecosystem coordination and retroactive public goods funding.
Market data changes frequently. For live TVL and rates, see our DeFi tools.